Home / 30,155.19-45,224.14-10,162.50

Finding the Fourth Proportional to 30,155.19, 45,224.14 and 10,162.50

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Solution

The fourth proportional to 30,155.19, 45,224.14 and 10,162.50 is: 15,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.19 : 45,224.14 = 10,162.50 : x
  2. Step 2: Convert to fraction form
    30,155.19/45,224.14 = 10,162.50/x
  3. Step 3: Cross multiply
    30,155.19x = 45,224.14 × 10,162.50
  4. Step 4: Simplify right side
    30,155.19x = 459,590,322.75
  5. Step 5: Solve for x
    x = 459,590,322.75/30,155.19
  6. Step 6: Final answer
    x = 15,240.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.